diff --git a/src/main/java/org/gcube/event/publisher/Event.java b/src/main/java/org/gcube/event/publisher/Event.java
index b63761e..8de1ad4 100644
--- a/src/main/java/org/gcube/event/publisher/Event.java
+++ b/src/main/java/org/gcube/event/publisher/Event.java
@@ -15,25 +15,17 @@ public class Event extends JSONObject {
     public static final String NAME_ENTRY = "name";
     public static final String TYPE_ENTRY = "type";
     public static final String SENDER_ENTRY = "sender";
-    public static final String USER_ENTRY = "user";
 
     public Event(String name, String type, String sender) {
         this(name, type, sender, null);
     }
 
-    public Event(String name, String type, String sender, String user) {
-        this(name, type, sender, user, null);
-    }
-
-    public Event(String name, String type, String sender, String user, Map<String, String> data) {
+    public Event(String name, String type, String sender, Map<String, String> data) {
         setUUID(UUID.randomUUID());
         setTimestamp(OffsetDateTime.now());
         setName(name);
         setType(type);
         setSender(sender);
-        if (user != null) {
-            setUser(user);
-        }
         if (data != null) {
             setAll(data);
         }
@@ -89,12 +81,4 @@ public class Event extends JSONObject {
         return (String) get(SENDER_ENTRY);
     }
 
-    public void setUser(String user) {
-        set(USER_ENTRY, user);
-    }
-
-    public String getUser() {
-        return (String) get(USER_ENTRY);
-    }
-
-}
+}
\ No newline at end of file